Twice the number of people eating equals half of the people who are laughing; if twenty people are thinking, and all of the people thinking are also all of the people laughing and a quarter of the people laughing are also yawning, then how many people are yawning? How many people are eating?
Answer
E= eating
L= laughing
T= thinking
Y= yawning
E= 0.25L
20= T
20= L
E= 0.25 x 20
E= 5
Y= 0.25 x 20
Y= 5
There are five people eating and five people yawning.